periaktos
noun
peri·ak·tos
ˌperēˈaktəs
plural periaktoi
-ˌtȯi
: a 3-sided revolving apparatus painted with scenery and used at each side of the stage in ancient Greek theaters
Word History
Etymology
Greek, from periaktos revolving, from periagein to lead around, turn around, from peri- + agein to lead, drive